Wyspa

Recording by Ryszard Rynkowski.

Recording identifiers

ISRC
PLB170800880
CopyrightID (CopyrightChains transaction hash)
0x3c1c54d2cc441f5b82f5c23cae585a7b3a26ce378a05f9707859c5bcfb8c49f4
Copyright registration time
2026-06-18T22:01:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:fbe3ff83f46c2bab37c68d2cd348ab1e521a1053de3899f4397ff3c3a60e25b2

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.